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Journal of the Korean Institute of Electromagnetic and Science 2002;2(2):75-80.
Analysis of EMI Problems in Split Power Distribution Network
Hwang-Yoon Shim1, Ji-Seong Kim2, Jong-Gwan Yook1, Han-Kyu Park1
1Department of Electrical and Electronics Engineering, Yonsei University
2R&D Group, Computer Division, Samsung Electronics
Abstract
Signal integrity problems and their possible solutions are addressed in this paper for split power plane of high-speed digital systems. Stitching and decoupling capacitors are proved to be very effective for reducing signal noise, ground bounce as well as electromagnetic radiation from the split power plane. Simulations based on 3D-Finite Difference Time Domain (FDTD) method are utilized for the analysis of practical high frequency multi-layered PC main board.
Key words: FDTD Method, Split Power Plane, EMI Problems, Stitching and Decoupling Capacitor
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